- compressed air tunneling
- проходка тоннеля под сжатым воздухом
Англо-русский строительный словарь. 2013.
compressed air tunneling
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tunneling shield — ▪ engineering machine for driving tunnels in soft ground, especially under rivers or in water bearing strata. The problem of tunneling under a river had defied the engineering imagination for centuries because of the difficulty of preventing mud … Universalium
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Greathead, James Henry — ▪ British engineer born Aug. 6, 1844, Grahamstown, S.Af. died Oct. 21, 1896, London, Eng. British civil engineer who improved the tunneling shield, the basic tool of underwater tunneling, essentially to its modern form. Greathead arrived… … Universalium
